Silica

Table 1 in Subpart Z has the Specified Exposure Control Methods When Working With Materials Containing Crystalline Silica

• True

• False

Silica dust can be so small that it cannot be seen with the naked eye

• True

• False

Controls to reduce exposure to respirable silica include which of following:

• Wet Cutting

• Wet cutting Shrouds and HEPA dust collection system

• Equipment in good working condition

• All of teh above

If you see visible silica dust being generated, it probably means the level of invisible silica

• True

• False

Excluding hood type respirators, a respirator needs to have a tight seal to the skin of your face in order to keep dust out your lungs

• True

• False